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Port 2963 (iph-policy-adm)

IANA assigns port 2963 to iph-policy-adm: IPH-POLICY-ADM.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
iph-policy-adm TCP IPH-POLICY-ADM Shai Herzog -
iph-policy-adm UDP IPH-POLICY-ADM Shai Herzog -

Check what is listening on port 2963

Linux: is anything listening on TCP 2963?
sudo ss -tlnp 'sport = :2963'
Linux: UDP 2963
sudo ss -ulnp 'sport = :2963'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2963
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2963 '
Windows (Command Prompt)
netstat -ano | findstr :2963
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2963 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2963
From Windows
Test-NetConnection HOST -Port 2963
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2963

Block port 2963 in the firewall

ufw
sudo ufw deny 2963/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2963 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2963 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2963' -Direction Inbound -Protocol TCP -LocalPort 2963 -Action Block
ufw
sudo ufw deny 2963/udp
iptables
sudo iptables -A INPUT -p udp --dport 2963 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2963 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2963' -Direction Inbound -Protocol UDP -LocalPort 2963 -Action Block

Related ports

2961boldsoft-lm2962iph-policy-cli2964bullant-srap2965bullant-rap

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.